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3 years ago

Explain why the diagram shows that 6(3 + 4) = 6.3 +6.4.

Mathematics

1 answer:

spin [16.1K]3 years ago

3 0

Who that even possible 6(3+4) is 6*3 + 6*4= 42

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A teacher is experimenting with computer-based instruction. In which situation could the teacher use a hypothesis test for a pop

kvv77 [185]

Answer:

Step-by-step explanation:

The situation is a case of matched or paired samples since the samples are dependent. The two measurements are drawn from the same pair of individuals The parameter that is tested using matched pairs is the population mean and this is what teacher intends to use a hypothesis test for.

The correct option is

A) She gives each student a pretest. Then she teaches a lesson using a computer program. Afterwards, she gives each student a post test. The teacher wants to see if the difference in scores will show an improvement.

5 0

3 years ago

Levi invested $5,300 in an account paying an interest rate of 2.4% compounded daily. Assuming no deposits or withdrawals are mad

suter [353]

Answer: $6,120.86

Step-by-step explanation:

Formula to calculate the accumulated amount in n years (compounded daily) is given by :-

$A=P(1+\dfrac{r}{365})^{365\times n}$

P= Initial amount

r= Rate of interest ( in decimal)

As per given , we ahve

P= $5300

r= 2.4%=0.024

n= 6 years

Put these values in formula , we get

$A=5300(1+\dfrac{0.024}{365})^{365\times6}\\\Rightarrow\ A=5300(1.00006575342)^{2190}\\\Rightarrow\ A=6120.85673631\approx6120.86$

Hence, there would be $6,120.86 in the account after 6 years.

5 0

4 years ago

I need help,Im doing a quiz,pls help me quick,this is the question:

tensa zangetsu [6.8K]

Answer: You will need to add all the number up

Step-by-step explanation:

6 0

3 years ago

What is 562,148,900 in expanded form

IgorC [24]

Answer:

562,148,900 =

500,000,000

+ 60,000,000

+ 2,000,000

+ 100,000

+ 40,000

+ 8,000

+ 900

+ 0

3 0

4 years ago

Read 2 more answers

Factorise 36n(squared) divide by 25 minus 1

Naya [18.7K]

This is a difference of two squares so we will have two binomials as our factors.

$( \frac{36n^{2} }{25} - 1)$ factors to become $( \frac{6}{5}n - 1)( \frac{6}{5}n + 1)$

8 0

3 years ago